Novel shape of mouth as one speaks model

The utility model provides a novel shape of mouth as one speaks model, include the shape of the mouth as one speaks in advance, shape of the mouth as one speaks outline is cylindrical in advance, shape of the mouth as one speaks rear is provided with hollow overcoat in advance, the overcoat is including fixed bead and cylindrical body as an organic whole, the diameter of bead is with shape of themouth as one speaks diameter is unanimous in advance, the dovetail has been seted up to the front end of the inner wall of overcoat, the overcoat endotheca is equipped with the dovetail inner core, dovetail inner core and dovetail cooperation, the space has between dovetail inner core and the overcoat inner wall, the cover is equipped with the mounting disc on the overcoat, the shape of the mouthas one speaks links together through the mounting disc with the overcoat in advance. The utility model discloses the novelty provides non junction drum structure, and processing dovetail structure makes sizing material even tu